npidata.org Sign in
Products
Provider RadarWatch an area and specialty — weekly alerts on new cliniciansPractice RadarWeekly alerts when new organisations register nearbySpecialtiesEvery NUCC taxonomy, with counts by state and cityStatesProvider counts and breakdowns for all 50 statesPhysician listsMDs and DOs with addresses and phone numbersNP listsNurse practitioners, the fastest-growing groupAPIJSON, delta feed, free tier
Use cases
Healthcare sales prospectingPhysician recruiting and locum staffingMedical device sales territory planningCredentialing and provider verificationHealthcare marketing lists and audience buildingPharmaceutical sales and prescriber targeting
Account
Start freeThree radars and an export a month Sign in Pricing
Explore
Data Labs API
About
About usTermsPrivacyContact us

Search › Maryland › 207R00000X

Gregory Constantine, MD

NPI 1881038107 · on the registry since 2013 · sole proprietor

Practice

Address
10 Center Drive
Bethesda, MD 20814
Phone
(301) 761-7966
Organisation at this address
Dir/Nidcr/Nih/Dhhs
Nih Clinical Center
National Cancer Institute
National Cancer Institute
National Institute Of Health
Inferred from a shared address, not stated in the registry.
Clinicians at this address
350

Additional practice sites

  • One Baylor Plaza, Houston, TX

Registry record

Primary taxonomy
207R00000X
207R00000X
Also registered as
207RA0201X
Licence states on file
DC, TX
From the registry's licence fields, which are often incomplete.
Sex
Male
Record last updated
2019-07-11

Source: CMS National Plan and Provider Enumeration System. Registration is not the same as practising, and the registry records no retirement — some people listed here no longer practise. More in Maryland